OpenTechnical

OT-2026-000076307

Publication integrity record

Four bellows cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076307) never changes.

Identity and time

Publication numberOT-2026-000076307 · never reused
Internal UUID01a0ae94-6a70-7d69-a30a-4160e5473191 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076307
StatusPUBLIC

Content hashes

Canonical textbfc26e76b8f5073a044292f53c61ef61cc614c517b068dcb1ca51fba84e1a97a
Markdowncb2d3ff9e4c96cc71176ac67838d714fd73a9e8f886f58cd159a9f234a3d74b8
PDF
Publication pagef29a7107b22a20a66edf04949f6417d4646876d610d6e30df4e28ec2f0d7eb7e
Manifest075dbfebd3eced9368671167403c4d21226a1b51e20c922d2b7d41841a31a39e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturemQ9Rm+iWMB2k+yZMtmC2XUwEPD+akgOLecBjOhblpS+Oe+VSF+8QW0xE/YdP0uFRRezeWtcmxIQv72B/506CAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:09.006372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076307
observed f29a7107b22a20a66edf04949f6417d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.989564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076307/manifest.json
observed 075dbfebd3eced9368671167403c4d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.970684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076307/publication.md
observed cb2d3ff9e4c96cc71176ac67838d714f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:08.953041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076307/publication.txt
observed bfc26e76b8f5073a044292f53c61ef61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.